Even during the holidays, when you're tempted with endless flutes of bubbly and all manner of bacon-wrapped nibbles, you can keep your wedding weight-loss plan on track.

Trainer Will Torres, whose WillSpace gym in New York attracts fashion types and athletes alike, is keen on seafood as a low-cal party pick. "Tuna carpaccio is a good bet," he says. "So is shrimp. Fish generally tends to be a smart choice."